Hashtable parms = new Hashtable(); parms.put(Context.INITIAL_CONTEXT_FACTORY, "com.ibm.websphere.naming.WsnInitialContextFactory"); Context ctx = new InitialContext(parms); ds = (DataSource)ctx.lookup(source); conn = ds.getConnection(user, password); HI above one is the part of my code and if i run this program as a stand also i am getting error as follows /* */ Exception in thread "main" java.lang.NoClassDefFoundError: com/ibm/rmi/iiop/ORB at java.lang.ClassLoader.defineClass0(Native Method) at java.lang.ClassLoader.defineClass(Unknown Source) at java.security.SecureClassLoader.defineClass(Unknown Source) at java.net.URLClassLoader.defineClass(Unknown Source) at java.net.URLClassLoader.access$100(Unknown Source) at java.net.URLClassLoader$1.run(Unknown Source) at java.security.AccessController.doPrivileged(Native Method) at java.net.URLClassLoader.findClass(Unknown Source) at java.lang.ClassLoader.loadClass(Unknown Source) at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source) at java.lang.ClassLoader.loadClass(Unknown Source) at java.lang.ClassLoader.loadClassInternal(Unknown Source) at com.ibm.websphere.naming.WsnInitialContextFactory.getInitialContext(W snInitialContextFactory.java:72) at javax.naming.spi.NamingManager.getInitialContext(Unknown Source) at javax.naming.InitialContext.getDefaultInitCtx(Unknown Source) at javax.naming.InitialContext.init(Unknown Source) at javax.naming.InitialContext.<init>(Unknown Source) at DADXmlExtenderDBHandler.<init>(DADXmlExtenderDBHandler.java:25) at GenXml.main(GenXml.java:8)

/* */ i have included all jar files for WsnInitialContextFactory in che class path.. regards Malli